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Finding the Third Proportional to 487,187 and 1,062,907

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Solution

The third proportional to 487,187 and 1,062,907 is: 2,318,968.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,187 : 1,062,907 = 1,062,907 : x
  2. Step 2: Convert to fraction form
    487,187/1,062,907 = 1,062,907/x
  3. Step 3: Cross multiply
    487,187x = 1,062,907 × 1,062,907
  4. Step 4: Simplify right side
    487,187x = 1,129,771,290,649
  5. Step 5: Solve for x
    x = 1,129,771,290,649/487,187
  6. Step 6: Final answer
    x = 2,318,968.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.